A 56 year old male, with a history of osteoarthritis, presen…

A 56 year old male, with a history of osteoarthritis, presents to the emergency department after vomiting up blood.  An EGD (esophagogastroduodenoscopy or scope of the esophagus, stomach and part of the duodenum) demonstrates a bleeding ulcer at the greater curvature of the stomach.  Of the following, which artery was most likely involved?

A 67 year old male complains of a painful, itchy rash on his…

A 67 year old male complains of a painful, itchy rash on his right chest.  Exam reveals vesicles (fluid-filled, raised lesions) in a line extending from just lateral to the nipple to the mid-clavicular line.  If this man has Shingles, which dermatome has been affected?

A 6 month old boy has had infections on and off since birth….

A 6 month old boy has had infections on and off since birth.  His mother stopped breastfeeding about month ago, and since that time, the patient has been continuously and severely ill.  He is admitted to an isolation bed in a pediatric specialty hospital.  His doctor explains to his family the patient has “boy-in-the-bubble” disease or a combined T and B cell deficiency.  What is the diagnosis?

An eight year old male presents to the emergency department…

An eight year old male presents to the emergency department with minor injuries following a motor vehicle accident.   None of his injuries are life-threatening, but he is in a state of panic after watching his mother die in the accident.  Assuming he is currently in a respiratory alkalotic state due to hyperventilation, what compensation would the body undertake to correct this boy’s current acid-base imbalance?